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2000 Cadillac STS
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Discussion Starter #1
I recently purchased a 2000 STS. When I test drove the car it was the middle of the day and blue skies and sunny. I thought nothing of testing the wipers. When I was driving back to town I tried my wipers and they didn't work. I left to go to work later on that day and they worked just fine. The rainsense was working and everything. When I left work that night, they worked, when I left the restaurant later on that night, it didn't work and it was pouring down rain. The next morning, the windshiled had frosted over and when I got up to warm the car up, they worked. I tried them later on that day and nothing and they haven't worked since. I have checked the fuses, relays (they are all getting power), bought a new switch, that wasn't the problem. So I am not sure if it's the motor or if it's the wiring harness. As far as the headlights go, they worked up until a few days ago. My fog lights worked and always have and when I first noticed the issue, the only thing that worked was my fog light and passenger high beam. I stopped at the auto parts store and bought new low's and high's, put them in and still the same thing, just the passenger side high beam worked. I left the grocery yesterday and it was starting to get dark and I turned on my low beams, they still didnt work but both of my high beams worked. I am not sure if there is a short or what is going on but I am stumped.
 

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Master of the Dark Art of Diagnostics
2003 DHS - two-2002 DHS, 2003 SLS, 1995 Sedan DeVille, 1989 Coupe DeVille
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19,268 Posts

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1997 Cadillac STS (BOSE w/AUX In, Massage Seats, URPAS, "Z")
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6,405 Posts
NO, is nothing wrong with fuses and there is no short either.
You have a problem (corrosion) with the relay sockets. Just clean them up; re-gap the sockets and you are good to go.
 

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2000 Cadillac STS
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2 Posts
Discussion Starter #4
Thanks, I will give this a try and see if it helps.

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The only code showing "current" is C0589 which is "left rear solenoid circuit open" and I knew about this. Nothing about the headlights or the wipers. So I will try cleaning and re-gaping the relay sockets and see if that helps. Thanks!
 
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